20948565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126961}}^1$

素因数の和:126980

約数の個数: 16

約数和(自身を含む): 36565056

約数和(自身を除く): 15616491

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126961, 380883, 634805, 1396571, 1904415, 4189713, 6982855, 20948565]

約数ペア:

[(1, 20948565), (3, 6982855), (5, 4189713), (11, 1904415), (15, 1396571), (33, 634805), (55, 380883), (165, 126961)]